Mass per volume density.
Grams per Fluid ounce to Dram per Cubic inches Converter — g/fl oz to dr/in3
Convert Gram per Fluid ounce (g/fl oz) to Dram per Cubic inch (dr/in3) using the exact conversion factor (1 gram per fluid ounce = 0.3127319224 dram per cubic inch). See the formula, worked examples, and conversion table.
Grams per Fluid ounce to Dram per Cubic inches converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 33.8140227 / 108.1246278.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Fluid ounce to Dram per Cubic inches
Gram per Fluid ounce and Dram per Cubic inch both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
dram per cubic inches = grams per fluid ounce × 0.312731922393
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per fluid ounce equals 33.8140227018 base units, and 1 dram per cubic inch equals 108.124627774 base units, so dividing one by the other gives the direct gram per fluid ounce-to-dram per cubic inch factor of 0.312731922393.
Simple example
1 g/fl oz × 0.3127319224 = 0.3127319224 dr/in3
1 gram per fluid ounce = 0.3127319224 dram per cubic inches.
Real-world example
1,000 g/fl oz × 0.3127319224 = 312.7319224 dr/in3
1,000 grams per fluid ounce = 312.7319224 dram per cubic inches.
Conversion table
| Gram per Fluid ounce (g/fl oz) | Dram per Cubic inch (dr/in3) |
|---|---|
| 0.1 g/fl oz | 0.0312731922 dr/in3 |
| 1 g/fl oz | 0.3127319224 dr/in3 |
| 10 g/fl oz | 3.127319224 dr/in3 |
| 100 g/fl oz | 31.27319224 dr/in3 |
| 1,000 g/fl oz | 312.7319224 dr/in3 |
| 10,000 g/fl oz | 3,127.319224 dr/in3 |
Reverse conversion: Dram per Cubic inch to Gram per Fluid ounce
0.3127319224 dr/in3 × 3.197626876 = 1 g/fl oz
0.3127319224 dram per cubic inches = 1 grams per fluid ounce.
grams per fluid ounce = dram per cubic inches × 3.19762687592
For a page dedicated to this direction, see Dram per Cubic inch to Gram per Fluid ounce.
Understanding the Gram per Fluid ounce (g/fl oz)
Mass per volume density.
Understanding the Dram per Cubic inch (dr/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many dram per cubic inches are in 1 gram per fluid ounce?
1 gram per fluid ounce equals 0.3127319224 dram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert gram per fluid ounce to dram per cubic inch?
Multiply the gram per fluid ounce value by 0.3127319224. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic inch back to gram per fluid ounce?
Use the reverse factor: 1 dram per cubic inch equals 3.197626876 grams per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per fluid ounce?
Gram per Fluid ounce (g/fl oz) is a unit of density.
What is a dram per cubic inch?
Dram per Cubic inch (dr/in3) is a unit of density.
Is the gram per fluid ounce to dram per cubic inch conversion exact?
Yes. Both gram per fluid ounce and dram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.3127319224 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.